<template>
  <div class="hello" :a="msg" @click="msg = 'abc'">
    {{ msg }}
  </div>
</template>

<script>
export default {
  name: "HelloWorld",
  props: {
    msg: String,
  },
  render(h) {
    return h(
      "div",
      {
        class: "hello",
        attrs: {
          a: this.msg,
        },
        on: {
          click: () => {
            this.msg = "abc";
          },
        },
      },
      this.msg
    );
  },
  mounted() {
    console.log("HelloWorld", this._vnode);
  },
};
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
h3 {
  margin: 40px 0 0;
}
ul {
  list-style-type: none;
  padding: 0;
}
li {
  display: inline-block;
  margin: 0 10px;
}
a {
  color: #42b983;
}
</style>
